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‘Gregory of Tours, the Visigoths and Spain’, in Simon Barton and Peter Linehan, eds., Cross, Crescent and Conversion: Studies on Medieval Spain and Christendom in Memory of Richard Fletcher (Brill, Leiden, 2008), 43-64.

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‘Did Medieval History Begin with a Catastrophe?’, Medieval Life 12 (2000), 3-6.

(with Simon Burnell) ‘The Archaeology of Conversion on the Continent in the Sixth and Seventh Centuries: Some Observations and Comparisons with Anglo-Saxon England’, in R. Gammon, ed., St Augustine and the Conversion of England (Sutton, Stroud, 1999), 83-106.

‘Gregory of Tours and the Franks’, in Alexander S. Murray, ed., After Rome’s Fall: Essays Presented to Walter Goffart (Toronto: University of Toronto Press, 1999), 51-66

‘The militarisation of Roman society, 400-700’, in A.N. Jørgensen and B.L. Clausen, (eds), Military Aspects of Scandinavian Society in a European Perspective, AD 1-1300. (Copenhagen: Danish National Museum, 1997), 19-24.

‘York in the Roman and early medieval periods: a context for the excavations. Part 2. The post-Roman period to 1069’, in Derek Phillips and Brenda Heywood, eds., Excavations at York Minster, I (London: HMSO, 1995), 9-15.